\documentclass[a4paper,12pt]{article}

%\special{papersize=48in,36in}
\setlength{\paperwidth}{48in}
\setlength{\paperheight}{36in}

\setlength{\headheight}{0pt}
\setlength{\headsep}{0pt}
\setlength{\topmargin}{0pt}
\setlength{\leftmargin}{0pt}
\setlength{\oddsidemargin}{0pt}
\setlength{\evensidemargin}{0pt}

\usepackage[spanish]{babel}
\usepackage[utf8]{inputenc}
\usepackage{parsetree}
\usepackage{pdflscape}


\begin{document}
\thispagestyle{empty}


\begin{figure}

  \begin{parsetree}
      \include{arbolLatex}
  \end{parsetree}
%\caption{}

\end{figure} 


\end{document} 
